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| author | Ido Schimmel <idosch@nvidia.com> | 2020-11-23 09:12:28 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-24 12:14:56 -0800 |
| commit | f0a5013e29cbfe55b3e26b7548a741d88a779d91 (patch) | |
| tree | ec0bbb84339547a828cf90a7c607e23f919c5f4d | |
| parent | 1beaff779f783268dcc61c0a8fbd16e9c8b0abfa (diff) | |
| download | lwn-f0a5013e29cbfe55b3e26b7548a741d88a779d91.tar.gz lwn-f0a5013e29cbfe55b3e26b7548a741d88a779d91.zip | |
devlink: Add blackhole_nexthop trap
Add a packet trap to report packets that were dropped due to a
blackhole nexthop.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | Documentation/networking/devlink/devlink-trap.rst | 4 | ||||
| -rw-r--r-- | include/net/devlink.h | 4 | ||||
| -rw-r--r-- | net/core/devlink.c | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst index ef719ceac299..d875f3e1e9cf 100644 --- a/Documentation/networking/devlink/devlink-trap.rst +++ b/Documentation/networking/devlink/devlink-trap.rst @@ -476,6 +476,10 @@ be added to the following table: * - ``esp_parsing`` - ``drop`` - Traps packets dropped due to an error in the ESP header parsing + * - ``blackhole_nexthop`` + - ``drop`` + - Traps packets that the device decided to drop in case they hit a + blackhole nexthop Driver-specific Packet Traps ============================ diff --git a/include/net/devlink.h b/include/net/devlink.h index 457c537d0ef2..f466819cc477 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -835,6 +835,7 @@ enum devlink_trap_generic_id { DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, + DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, /* Add new generic trap IDs above */ __DEVLINK_TRAP_GENERIC_ID_MAX, @@ -1058,7 +1059,8 @@ enum devlink_trap_group_generic_id { "gtp_parsing" #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ "esp_parsing" - +#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ + "blackhole_nexthop" #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ "l2_drops" diff --git a/net/core/devlink.c b/net/core/devlink.c index e6fb1fdedded..7c05e8603bff 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -9490,6 +9490,7 @@ static const struct devlink_trap devlink_trap_generic[] = { DEVLINK_TRAP(DCCP_PARSING, DROP), DEVLINK_TRAP(GTP_PARSING, DROP), DEVLINK_TRAP(ESP_PARSING, DROP), + DEVLINK_TRAP(BLACKHOLE_NEXTHOP, DROP), }; #define DEVLINK_TRAP_GROUP(_id) \ |